From c01e285324793a86c2c90c8451ed6feb04b3d310 Mon Sep 17 00:00:00 2001 From: Namjae Jeon <[email protected]> Date: Tue, 23 Apr 2013 17:00:52 +0900 Subject: [PATCH 5/7] f2fs: add tracepoints to debug the block allocation Cc: [email protected], [email protected], [email protected]
Add tracepoints to debug the block allocation & fallocate. Signed-off-by: Namjae Jeon <[email protected]> Signed-off-by: Pankaj Kumar <[email protected]> Acked-by: Steven Rostedt <[email protected]> [Jaegeuk: enhance information] Signed-off-by: Jaegeuk Kim <[email protected]> --- fs/f2fs/data.c | 2 ++ fs/f2fs/file.c | 1 + include/trace/events/f2fs.h | 64 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 67 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 8e8b14d..1220b5c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -55,6 +55,8 @@ int reserve_new_block(struct dnode_of_data *dn) if (!inc_valid_block_count(sbi, dn->inode, 1)) return -ENOSPC; + trace_f2fs_reserve_new_block(dn->inode, dn->nid, dn->ofs_in_node); + __set_data_blkaddr(dn, NEW_ADDR); dn->data_blkaddr = NEW_ADDR; sync_inode_page(dn); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 71efa37..0e56db2 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -546,6 +546,7 @@ static long f2fs_fallocate(struct file *file, int mode, inode->i_mtime = inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); } + trace_f2fs_fallocate(inode, mode, offset, len, ret); return ret; } diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 6f7cf7a..56b6240 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -514,6 +514,70 @@ TRACE_EVENT(f2fs_get_victim, __entry->free) ); +TRACE_EVENT(f2fs_fallocate, + + TP_PROTO(struct inode *inode, int mode, + loff_t offset, loff_t len, int ret), + + TP_ARGS(inode, mode, offset, len, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(int, mode) + __field(loff_t, offset) + __field(loff_t, len) + __field(loff_t, size) + __field(blkcnt_t, blocks) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->mode = mode; + __entry->offset = offset; + __entry->len = len; + __entry->size = inode->i_size; + __entry->blocks = inode->i_blocks; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, mode = %x, offset = %lld, " + "len = %lld, i_size = %lld, i_blocks = %llu, ret = %d", + show_dev_ino(__entry), + __entry->mode, + (unsigned long long)__entry->offset, + (unsigned long long)__entry->len, + (unsigned long long)__entry->size, + (unsigned long long)__entry->blocks, + __entry->ret) +); + +TRACE_EVENT(f2fs_reserve_new_block, + + TP_PROTO(struct inode *inode, nid_t nid, unsigned int ofs_in_node), + + TP_ARGS(inode, nid, ofs_in_node), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(nid_t, nid) + __field(unsigned int, ofs_in_node) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->nid = nid; + __entry->ofs_in_node = ofs_in_node; + ), + + TP_printk("dev = (%d,%d), nid = %u, ofs_in_node = %u", + show_dev(__entry), + (unsigned int)__entry->nid, + __entry->ofs_in_node) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ -- 1.8.1.3.566.gaa39828 -- Jaegeuk Kim Samsung
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